In my attempt to find most of the billions of places this has been discussed, I stumbled across a post that had a number of plugin FLS slot usage counts posted.

Steinberg Padshop - 1
Spectrasonics trilian - 1
Waves (Waveshell) 2
Waves Codex - 2
UAD -2
Roland TR 808-2
DBX160 - 2
Slate VMR - 2
FXpansion BFD3 - 2
Korg ARP Odyssey - 3
Steinberg Dark Planet - 3
BX20 - 4
ATR102 - 4
Kontakt -4
Maschine-4
SSL E Legacy - 4
API 2500 - 4
EMT 140/250 - 4
Fairchild 670 MKII - 4
LA-2A Grey - 4
Arturia ARP 2600 v3 - 6
Arturia Buchla - 6
Arturia DX7 - 6
Synclavier - 7
CMI - 8
Analogue Lab3 45

Source: https://*************/threads/window...in-daws.42592/

LOL. On a site named "gearslutz" that URL above got nuked as not passing the nanny filter. The domain is a-u-d-i-o-s-e-x dot pro

Pete